<div id="allmap" style="width: 110%;height: 600px;left: -24px;"></div>
<div>
  <button nz-button nzType="primary" (click)="add_west_police()">添加西门部署警力</button>
  <button nz-button nzType="primary" (click)="add_east_police()">添加东门部署警力</button>
  <button nz-button nzType="primary" (click)="add_south_police()">添加南门部署警力</button>
  <button nz-button nzType="primary" (click)="remove_police()">清空警力部署</button>
</div>
